Actinia aurantiaca Delle Chiaje, 1822 accepted as Condylactis aurantiaca (Delle Chiaje, 1825) (additional source)
Actinia bellis Ellis & Solander, 1786 accepted as Cereus pedunculatus (Pennant, 1777) (additional source)
Actinia bimaculata accepted as Aulactinia verrucosa (Pennant, 1777) accepted as Bunodactis verrucosa (Pennant, 1777) (additional source)
Actinia cereus Müller, 1776 accepted as Actinia candida Müller, 1776 accepted as Metridium senile (Linnaeus, 1761) (additional source)
Actinia chamæleon Grube, 1840 accepted as Telmatactis forskalii (Hemprich & Ehrenberg in Ehrenberg, 1834) (additional source)
Actinia chromatodera accepted as Paranthus chromatoderus (Schmarda, 1852) (additional source)
Actinia chrysanthellum Peach in Johnston, 1847 accepted as Halcampa chrysanthellum (Peach in Johnston, 1847) (additional source)
Actinia concentrica Risso, 1827 accepted as Actinia cari Delle Chiaje, 1822 (additional source)
Actinia contarinii Heller, 1868 accepted as Paranemonia cinerea (Contarini, 1844) (additional source)
Actinia coriacea Cuvier, 1798 accepted as Urticina coriacea (Cuvier, 1798) (additional source)
Actinia crassicornis Müller, 1776 accepted as Urticina crassicornis (Müller, 1776) (additional source)
Actinia dianthus Ellis, 1768 accepted as Metridium dianthus (Ellis, 1768) (additional source)
Actinia diaphana Rapp, 1829 accepted as Exaiptasia diaphana (Rapp, 1829) (additional source)
Actinia digitata Müller, 1776 accepted as Hormathia digitata (O.F. Müller, 1776) (additional source)
Actinia effoeta Linnaeus, 1767 accepted as Calliactis parasitica (Couch, 1842) (additional source)
Actinia equina (Linnaeus, 1758) (additional source)
Actinia gemmacea accepted as Urticina felina (Linnaeus, 1761) (additional source)
Actinia mutabilis Gravenhorst, 1831 accepted as Aiptasia mutabilis (Gravenhorst, 1831) (additional source)
Actinia palliata accepted as Adamsia palliata (Fabricius, 1779) (additional source)
Actinia phaeochira (Schmarda, 1852) accepted as Anemonia sulcata (Pennant, 1777) (additional source)
Actinia rhododactylos accepted as Sagartia rhododactylos (Grube, 1840) accepted as Cylista rhododactylos (Grube, 1840) (additional source)
Actinia viduata W. Thompson accepted as Sagartia troglodytes (Price in Johnston, 1847) accepted as Cylista troglodytes (Price in Johnston, 1847) (additional source)
Actinia viridis Gmelin accepted as Anemonia viridis (Forsskål, 1775) (additional source)
Amphihelia oculata (Linnaeus, 1758) accepted as Madrepora oculata Linnaeus, 1758 (additional source)
Anisocalyx diaphanus Heller, 1868 accepted as Halopteris diaphana (Heller, 1868) (original description)
Antipathes subpinnata Ellis & Solander, 1786 accepted as Antipathella subpinnata (Ellis & Solander, 1786) (additional source)
Astrocoenia pharensis Heller, 1868 accepted as Madracis pharensis (Heller, 1868) (original description)
Balanophyllia italica (Michelin, 1841) (additional source)
Balanophyllia verrucaria (Linnaeus, 1758) (additional source)
Caryophyllia clavus Scacchi, 1835 accepted as Caryophyllia (Caryophyllia) smithii Stokes & Broderip, 1828 (additional source)
Caryophyllia cynthus (Ellis & Solander, 1786) accepted as Caryophyllia (Caryophyllia) cyathus (Ellis & Solander, 1786) (basis of record)
Cerianthus cylindricus (Renier, 1807) accepted as Cerianthus membranaceus (Gmelin, 1791) (additional source)
Cerianthus membranaceus (Gmelin, 1791) (additional source)
Cladocora astraearia Sars, 1857 accepted as Cladocora caespitosa (Linnaeus, 1767) (additional source)
Cladocora cespitosa (Linnaeus, 1767) accepted as Cladocora caespitosa (Linnaeus, 1767) (additional source)
Cladocora stellaria Milne Edwards & Haime, 1848 accepted as Cladocora caespitosa (Linnaeus, 1767) (additional source)
Coenocyathus anthophyllites Milne Edwards & Haime, 1848 (additional source)
Cucumaria kirchsbergii Heller, 1868 accepted as Stereoderma kirchsbergii (Heller, 1868) Panning, 1949 (original description)
Dendrophyllia ramea (Linnaeus, 1758) (additional source)
Flabellum anthophyllum (Ehrenberg, 1834) accepted as Monomyces pygmaea (Risso, 1827) (additional source)
Heteropyxis Heller, 1868 accepted as Plumularia Lamarck, 1816 (original description)
Heteropyxis disticha Heller, 1868 accepted as Nemertesia tetrasticha (Meneghini, 1845) (original description)
Holothuria (Microthele) affinis Heller, 1868 accepted as Holothuria (Holothuria) helleri Marenzeller von, 1877 (original description)
Holothuria affinis Heller, 1868 represented as Holothuria (Microthele) affinis Heller, 1868 accepted as Holothuria (Holothuria) helleri Marenzeller von, 1877 (original description)
Leiopathes lamarcki Haime, 1849 accepted as Savaglia lamarcki (Haime, 1849) accepted as Savalia savaglia (Bertoloni, 1819) (additional source)
Lophelia prolifera (Pallas, 1766) accepted as Desmophyllum pertusum (Linnaeus, 1758) (additional source)
Madrepora brueggemanni Brook, 1891 accepted as Isopora brueggemanni (Brook, 1891) (additional source)
Palythoa arenacea Heller, 1868 (additional source)
Palythoa axinellae Schmidt, 1862 represented as Parazoanthus axinellae (Schmidt, 1862) (additional source)
Palythoa univittata Lorenz (additional source)
Peachia sagittata (additional source)
Plumularia kirchenpaueri Heller, 1868 accepted as Aglaophenia kirchenpaueri (Heller, 1868) (original description)
Plumularia octodonta Heller, 1868 accepted as Aglaophenia octodonta (Heller, 1868) (original description)
Sertularia crassicaulis Heller, 1868 accepted as Sertularella crassicaulis (Heller, 1868) (original description)
Synapta hispida Heller, 1868 (original description)
Thyone inermis Heller, 1868 (original description)
Thyonidium ehlersi Heller, 1868 (original description)

Croatian Exclusive Economic Zone for Actinia cereus Müller, 1776 
Croatian Exclusive Economic Zone for Actinia equina (Linnaeus, 1758) 
Croatian part of the Adriatic Sea for Sertularia crassicaulis Heller, 1868 
Italian Exclusive Economic Zone for Actinia chamæleon Grube, 1840 
Italian Exclusive Economic Zone for Actinia dianthus Ellis, 1768 
Italian Exclusive Economic Zone for Actinia dianthus Ellis, 1768 
Italian Exclusive Economic Zone for Actinia diaphana Rapp, 1829 
Italian Exclusive Economic Zone for Actinia effoeta Linnaeus, 1767 
Italian Exclusive Economic Zone for Actinia palliata 
Italian Exclusive Economic Zone for Actinia viduata W. Thompson 
Italian Exclusive Economic Zone for Palythoa arenacea Heller, 1868 
Italian Exclusive Economic Zone for Palythoa axinellae Schmidt, 1862